Green Industry Outreach: Do you know what's lurking in your garden?


The Northeast Illinois Invasive Plant Partnership is working with the Midwest Invasive Plant Network , Chicago Botanic Garden, Lake County (IL) Forest Preserve District, and The Nature Conservancy of Indiana to provide information about ornamental plants that have become invasive plants in native areas to both nurseries and consumers.  Some of these species include -

Burning Bush (Euonymous alatus) (this species is banned in Massachusetts and declared invasive in Connecticut and New Hampshire)

Butterfly Bush (Budleja davidii)  (it's sale has been banned in Oregon and it is on the Washingston State Noxious Weed List)

Callery Pear (Pyrus calleryana) and its cultivars

Common or European Buckthorn (Rhamnus cathartica) (on the Illinois Exotic Weed Act List)

Japanese Barberry (Berberis thunbergii)  (voluntary phase out of 25 cultivars in Connecticut)

Japanese knotweed (Fallopia japonica) (declared invasive in NH)

Norway maple (Acer platanoides)

Oriental (Asian) Bittersweet (Celastrus orbiculatus)

Porcelain Berry/Porcelain vine/Amur Peppervine (Ampelopsis brevipedunculata)

Purple Loosestrife (Lythrum salicaria)



Information about similar species and their native alternatives can be found here:

MIPN Landscape Alternatives for the Midwest

Chicago Botanic Garden Regional Invasive Plant List


Heading out to a garden center or a nursery to shop for your garden?  Bring along the Landscape Alternatives app on your iPhone or iPad or Droid to help you make informed choices!  You can download it for free! 

Some native plant resources:

Illinois Native Plant Guide

Native Plant Use in Landscaping (INHS)

Illinois Native Plant Society

Illinois Wildflowers

University of Illinois Extension

Gallery of Illinois Plants

USEPA Illinois Natural Landscaping Resource List

Illinois Best Plants: USDA Plant Hardiness Zones

GLIN: Plants of the Great Lakes Region

Illinois Green Industry Association